See:
*http://www.ehow.com/how_6609141_remove-bearshare-spyware.html
*http://www.fanhow.com/answers/question-77222-how-to-delete-bearshare-search-from-firefox
You can look for a "Mediabar" program under "Control Panel > Programs and features"
See also this forum thread about BearShare:
*[[/questions/792580]]